The experienced defenders have been training with the Swanky Boys for a couple of days hoping to get a deal.
Brian Mandela Onyango was among the players released by Mamelodi Sundowns in the ongoing transfer window. The Bulky 30-year-old Kenya international has been at Masandawana for the last four years.
Soweto giants Kaizer Chiefs also opted against extending the services of their left-back Sifiso Hlanti. The 34-year-old had served the Glamour Boys for the last three seasons before he was deemed surplus to requirements.
The duo has been training with SuperSport United, hoping coach Gavin Hunt will request the management to give them contracts.

‘I can't keep bringing 30-year-olds'
In his interview with the media, the Swanky Boys CEO Stan Matthews has seemingly ruled out the possibility of signing older players after handing 32-year-old Vincent Pule a one-year-deal following his release from Orlando Pirates.
“I’m not worried about the club, I am worried about the depth and what we’ll do throughout this season because it’s not a quick fix, nobody can do a quick fix, we will shuffle players around and broaden the base of 24-28-year-old players in the club,” he stated.
“I can’t keep bringing 30-year-olds into the club, there’s been opportunities to sign Hlanti and Onyango, very good players, very good guys.

“Hlanti would add a lot of value for us and experience at left-back, but I can’t bring in another 30-year-olds into my club, I’m bringing in 24-28-year-old players that have big resale value to whoever offers me the best deal, and those who can stay with the club if need be and still be in the prime or their career.
“Not up and coming or over the hill, that’s where we have landed ourselves in the last couple of years in recalibrating our club. So that’s something Gavin and I are working closely on and we’ll make sure it happens,” Matthews continued.
That means Onyango and Hlanti will have to look elsewhere and secure new deals ahead of the 2024/25 season.
SuperSport start their new season this weekend with an MTN8 quarter-final game against Orlando Pirates.